Hi. Did you see this video? The guy seems like he knows what he's talking about.
https://forum.mcarbo.com/t/iron-sights-on-ruger-pc-19122/8761/15. The guy says he can actually co witness his iron sights to his red dot.
Have you thought about a red dot? I have a sig Romeo 5 on a standard stocked 19100 and think it's the cats meow.